67326116580 has 576 divisors, whose sum is σ = 232098048000. Its totient is φ = 15716726784.

The previous prime is 67326116567. The next prime is 67326116609. The reversal of 67326116580 is 8561162376.

67326116580 is a `hidden beast` number, since 6 + 7 + 3 + 2 + 61 + 1 + 6 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 413043579 + ... + 413043741.

It is an arithmetic number, because the mean of its divisors is an integer number (402948000).

Almost surely, 2^67326116580 is an apocalyptic number.

67326116580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67326116580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116049024000).

67326116580 is an abundant number, since it is smaller than the sum of its proper divisors (164771931420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67326116580 is a wasteful number, since it uses less digits than its factorization.

67326116580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 67326116580 in words is "sixty-seven billion, three hundred twenty-six million, one hundred sixteen thousand, five hundred eighty".